CN105731755B - Steam recycles sludge heat pump drying device and energy-saving type sludge water-steam recovery method - Google Patents
Steam recycles sludge heat pump drying device and energy-saving type sludge water-steam recovery method Download PDFInfo
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- CN105731755B CN105731755B CN201610208403.4A CN201610208403A CN105731755B CN 105731755 B CN105731755 B CN 105731755B CN 201610208403 A CN201610208403 A CN 201610208403A CN 105731755 B CN105731755 B CN 105731755B
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- water tank
- return air
- aforementioned
- sludge
- exchanger tube
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention discloses a kind of steam recycling sludge heat pump drying device and energy-saving type sludge water-steam recovery method, its first wet return air formed after drying sludge process, which enters in water tank, to be washed, its dust is removed, simultaneously, water is cooled down and is reduced flow velocity to the first wet return air, the wet return air of second obtained after cooling is distributed into evaporator, removes moisture removal through evaporator condensation, resulting dried return air is recycled to plenum chamber；It is installed with heat exchanger tube in water tank to recycle waste heat in water tank, heat exchanger tube is connected with compressor, and gas is continuously passed through in heat exchanger tube, and heated gas is recycled to aforementioned plenum chamber with the indoor wind of reheated blast；Whereby, on the one hand, effectively remove the dust after drying sludge in return air, avoid dust blocking and influence ventilation quantity；On the other hand, water tank has double action that is cooling and reducing flow velocity to return air after drying sludge, is conducive to the effect on moisture extraction for improving condenser；And ingenious reuse is carried out to waste heat in water tank, reduce operation energy consumption.
Description
Technical field
The present invention relates to drying sludge field technology, a kind of steam recycling sludge heat pump drying device and energy conservation are referred in particular to
Formula sludge water-steam recovery method.
Background technique
In the prior art, sludge is dried using heat pump drier, utilizes the air-supply application of high temperature drying
In some dust, in practical applications, often powder would generally be contained in drying sludge link, the return air after drying sludge link
Dirt can cause bag filter to block, and cause bag filter ventilation quantity to reduce, to influence entire sludge Analysis of Heat Pump Drying System
Drying efficiency.And since the temperature of aforementioned return air is still higher, return air is caused to be reduced to long the time required to dew point, therefore,
It is undesirable to the effect on moisture extraction of return air.In addition, energy consumption needed for entire heat pump drying processing system is run is more, lead to sludge drying
Processing cost is high, these are also unfavorable for the popularization and application of environmental protection project.
Therefore, it is necessary to develop the new technical solution of one kind to solve the above problems.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of recycling of steam is dirty
Mud heat pump drying device and energy-saving type sludge water-steam recovery method are imitated the dust after eliminating drying sludge in return air, are avoided
Dust blocking and influence ventilation quantity, meanwhile, water tank has double action that is cooling and reducing flow velocity to return air after drying sludge, has
Conducive to the effect on moisture extraction for improving condenser, and, ingenious reuse is carried out to waste heat in water tank, reduces operation energy consumption.
To achieve the above object, the present invention is using following technical solution:
A kind of steam recycles sludge heat pump drying device, include pressure fan, condenser, water tank, heat exchanger tube, compressor and
Evaporator；Wherein, which is located in plenum chamber, and aforementioned condenser corresponds to the air outlet setting of pressure fan, after condenser
Air-supply for drying sludge；Aforementioned water tank has dedusting air inlet and dedusting gas outlet, the first return air warp after dry sludge
Air inlet enters in aforementioned water tank, and aforementioned gas outlet corresponds to the setting of evaporator air inlet, before the air outlet of the evaporator is connected to
State plenum chamber；Forgoing evaporators have condensate water discharging mouth, and condensate water discharging mouth is connected to aforementioned state in water tank；Aforementioned heat exchange
Pipe is installed in water tank, and the channel passed through in the heat exchanger tube with supplied gas, the heat exchanger tube is connected to aforementioned compressor, the heat exchange
The gas outlet of pipe is connected to aforementioned plenum chamber.
As a preferred embodiment, the heat exchanger tube is titanium dish pipe.
As a preferred embodiment, the plenum chamber, pressure fan, condenser one are located under entire heat pump drying device
Fragment position；The water tank is located at the middle section position of entire heat pump drying device；The water tank inner route clapboard is isolated to form aforementioned remove
Dirt air inlet and dedusting gas outlet, the dedusting air inlet, dedusting gas outlet are respectively positioned on the top of water tank, the evaporator face
Above dedusting gas outlet.
A kind of energy-saving type sludge water-steam recovery method, which employs aforementioned steam to recycle sludge heat pump drying device；
Wind is led to condenser by indoor pressure fan of blowing, and the air-supply of high temperature drying is obtained after condenser acts on；It is described
The air-supply of high temperature drying is for drying sludge, the wet return air of first formed after drying sludge process；The first wet return air warp
Dedusting air inlet enters in water tank, and by the washing of water in water tank, the dust of the first wet return air is removed, meanwhile, in water tank
Water is cooled down and is reduced flow velocity to the first wet return air, and the wet return air of second obtained after cooling is dissipated from the dedusting gas outlet of water tank
Hair enters evaporator, and through evaporator condensation, moisture is removed in the second wet return air, and resulting dried return air is recycled to aforementioned air-supply
Room；The heat exchanger tube installed in the water tank recycles the heat that heat exchange between the first wet return air and water generates, heat exchanger tube
It is connected with compressor, gas is continuously passed through in heat exchanger tube, heated gas is recycled to aforementioned plenum chamber in reheated blast room
Wind.
As a preferred embodiment, the temperature of the air-supply of the high temperature drying is 70 to 75 DEG C, and humidity is 6 to 8%；It is described
The temperature of first wet return air is 55 to 60 DEG C, and humidity is 45 to 50%；The temperature of the second wet return air is 40 to 45 DEG C, humidity
It is 20 to 25%.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal
It is found that it mainly passes through setting of water tank and heat exchanger tube, compressor, on the one hand, effectively remove after drying sludge in return air
Dust, greatly mitigate return air inlet bag filter load, solve conventional heat pump drying machine dust caused by bag filter
It is easy blockage problem, also avoids dust blocking that bag filter ventilation quantity is caused to reduce, ensures that entire sludge heat pump is dry
The drying efficiency of drying system；On the other hand, the water in water tank has dual work that is cooling and reducing flow velocity to return air after drying sludge
With, be conducive to improve condenser effect on moisture extraction；And waste heat in water tank is transferred in system by heat exchanger tube, with to sending
Wind heating, realizes the ingenious reuse to waste heat in water tank, reduces operation energy consumption, is more in line with energy conservation and environmental protection requirement.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the substantially attachment structure schematic diagram of embodiments of the present invention.
Description of drawing identification:
1, pressure fan 2, condenser
3, water tank 4, heat exchanger tube
5, evaporator 6, plenum chamber
7, dedusting air inlet 8, dedusting gas outlet.
Specific embodiment
It please refers to shown in Fig. 1, that show the specific structure of embodiments of the present invention, this kind of steam recycles sludge heat pump
Drying device includes pressure fan 1, condenser 2, water tank 3, heat exchanger tube 4, compressor and evaporator 5.
Wherein, which is located in plenum chamber 6, the air outlet setting of the corresponding pressure fan 1 of aforementioned condenser 2, through condensing
Air-supply after device 2 is for drying sludge；Aforementioned water tank 3 has dedusting air inlet 7 and dedusting gas outlet 8, and the after dry sludge
One return air enters in aforementioned water tank 3 through air inlet, and aforementioned gas outlet corresponds to the setting of 5 air inlet of evaporator, the outlet air of the evaporator 5
Mouth is connected to aforementioned plenum chamber 6；Forgoing evaporators 5 have condensate water discharging mouth, and condensate water discharging mouth, which is connected to, aforementioned states water
In case 3；Aforementioned heat exchanger tube 4 is installed in water tank 3, the channel passed through in the heat exchanger tube 4 with supplied gas, the heat exchanger tube 4 connection
In aforementioned compressor, the gas outlet of the heat exchanger tube 4 is connected to aforementioned plenum chamber 6；Herein, aforementioned heat exchanger tube 4 is preferably designed for titanium
Coil pipe, certainly, the planform of titanium dish pipe can design according to actual needs, and this is not restricted, and titanium dish pipe is selected mainly to consider
There is excellent corrosion resistance to base, tube wall can improve heat-transfer effect than relatively thin, meanwhile, any surface finish, without dirt
Layer, sealing factor substantially reduce.
In the present embodiment, as shown in Figure 1, the plenum chamber 6, pressure fan 1, condenser 2 are located on entire heat pump drying
The lower fragment position of device；The water tank 3 is located at the middle section position of entire heat pump drying device；3 inner route clapboard of the water tank isolation
Aforementioned dedusting air inlet 7 and dedusting gas outlet 8 are formed, the dedusting air inlet 7, dedusting gas outlet 8 are respectively positioned on the top of water tank 3
Portion, 5 face of evaporator are located at 8 top of dedusting gas outlet, and integral arrangement is ingenious, reasonable, compact.
Next, simple introduce a kind of energy-saving type sludge for recycling sludge heat pump drying device using aforementioned steam to realize
Water-steam recovery method:
Wind is led to condenser 2 by the pressure fan 1 in plenum chamber 6, and the air-supply of high temperature drying is obtained after the effect of condenser 2；
The air-supply of the high temperature drying is for drying sludge, the wet return air of first formed after drying sludge process；Described first wet time
Wind enters in water tank 3 through dedusting air inlet 7, and by the washing of water in water tank 3, the dust of the first wet return air is removed, meanwhile, water
Water in case 3 is cooled down and is reduced flow velocity to the first wet return air, dedusting of the wet return air of second obtained after cooling from water tank 3
Gas outlet 8 is distributed into evaporator 5, is condensed through evaporator 5, and moisture is removed in the second wet return air, resulting dried return air loopback
To aforementioned plenum chamber 6；The heat that the heat exchanger tube 4 installed in the water tank 3 generates heat exchange between the first wet return air and water into
Row recycling, heat exchanger tube 4 are connected with compressor, gas are continuously passed through in heat exchanger tube 4, and heated gas is recycled to aforementioned plenum chamber
6 with the wind in reheated blast room 6.
It should be noted that warp is repeatedly studied and analysis of experiments, setting parameters described below can obtain more preferable drying efficiency, i.e.,
The temperature of the dry air-supply of afore-said hot is 70 to 75 DEG C, and humidity is 6 to 8%；The temperature of aforementioned first wet return air is 55 to 60
DEG C, humidity is 45 to 50%；The temperature of aforementioned second wet return air is 40 to 45 DEG C, and humidity is 20 to 25%；Certainly, before slightly deviateing
Parameter area value is stated, and preferable operational effect can be obtained.
Design focal point of the invention is, is mainly its setting for mainly passing through water tank and heat exchanger tube, compressor, one
Aspect effectively removes the dust after drying sludge in return air, greatly mitigates the load of return air inlet bag filter, solves tradition
Bag filter caused by heat pump drier dust is easy blockage problem, and dust blocking is also avoided to cause bag filter ventilation quantity
It reduces, ensures that the drying efficiency of entire sludge Analysis of Heat Pump Drying System；On the other hand, after the water in water tank is to drying sludge
Return air has double action that is cooling and reducing flow velocity, is conducive to the effect on moisture extraction for improving condenser；And by heat exchanger tube by water
Waste heat is transferred in system in case, to heat up to air-supply, is realized the ingenious reuse to waste heat in water tank, is reduced operation energy
Consumption is more in line with energy conservation and environmental protection requirement.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still
Belong in the range of technical solution of the present invention.
Claims (4)
1. a kind of steam recycles sludge heat pump drying device, it is characterised in that: include pressure fan, condenser, water tank, heat exchange
Pipe, compressor and evaporator；
Wherein, which is located in plenum chamber, and aforementioned condenser corresponds to the air outlet setting of pressure fan, sending after condenser
Wind is for drying sludge；Aforementioned water tank has dedusting air inlet and dedusting gas outlet, and the first wet return air after dry sludge is through removing
Dirt air inlet enters in aforementioned water tank, and aforementioned dedusting gas outlet corresponds to the setting of evaporator air inlet, and the air outlet of the evaporator connects
Pass to aforementioned plenum chamber；Forgoing evaporators have condensate water discharging mouth, and condensate water discharging mouth is connected in aforementioned water tank；It is aforementioned
Heat exchanger tube is installed in water tank, and the channel passed through in the heat exchanger tube with supplied gas, the heat exchanger tube is connected to aforementioned compressor, should
The gas outlet of heat exchanger tube is connected to aforementioned plenum chamber；
The plenum chamber, pressure fan, condenser one are located on the lower fragment position of entire heat pump drying device；The water tank is located at whole
The middle section position of a heat pump drying device；The water tank inner route clapboard is isolated to form aforementioned dedusting air inlet and dedusting gas outlet,
The dedusting air inlet, dedusting gas outlet are respectively positioned on the top of water tank, and the evaporator face is located above dedusting gas outlet.
2. steam according to claim 1 recycles sludge heat pump drying device, it is characterised in that: the heat exchanger tube is titanium dish
Pipe.
3. a kind of energy-saving type sludge water-steam recovery method, it is characterised in that: which employs steam as described in claim 1 recycling
Sludge heat pump drying device；
Wind is led to condenser by indoor pressure fan of blowing, and the air-supply of high temperature drying is obtained after condenser acts on；The high temperature
Dry air-supply is for drying sludge, the wet return air of first formed after drying sludge process；The first wet return air is through dedusting
Air inlet is downwardly into water tank, and by the washing of water in water tank, the dust of the first wet return air is removed, meanwhile, in water tank
Water is cooled down and is reduced flow velocity to the first wet return air, the wet return air of second obtained after cooling from the dedusting gas outlet of water tank to
On distribute into evaporator, through evaporator condensation, moisture is removed in the second wet return air, and resulting dried return air is recycled to aforementioned send
Air compartment；
The heat exchanger tube installed in the water tank recycles the heat that heat exchange between the first wet return air and water generates, heat exchanger tube
It is connected with compressor, gas is continuously passed through in heat exchanger tube, heated gas is recycled to aforementioned plenum chamber in reheated blast room
Wind；
And the condensate water discharging mouth of evaporator is connected in aforementioned water tank.
4. energy-saving type sludge water-steam recovery method according to claim 3, it is characterised in that: the temperature of the air-supply of high temperature drying
Degree is 70 to 75 DEG C, and humidity is 6 to 8%；The temperature of the first wet return air is 55 to 60 DEG C, and humidity is 45 to 50%；Described
The temperature of two wet return air is 40 to 45 DEG C, and humidity is 20 to 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208403.4A CN105731755B (en) | 2016-04-06 | 2016-04-06 | Steam recycles sludge heat pump drying device and energy-saving type sludge water-steam recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208403.4A CN105731755B (en) | 2016-04-06 | 2016-04-06 | Steam recycles sludge heat pump drying device and energy-saving type sludge water-steam recovery method |
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| Publication Number | Publication Date |
|---|---|
| CN105731755A CN105731755A (en) | 2016-07-06 |
| CN105731755B true CN105731755B (en) | 2019-06-11 |
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| CN201610208403.4A Active CN105731755B (en) | 2016-04-06 | 2016-04-06 | Steam recycles sludge heat pump drying device and energy-saving type sludge water-steam recovery method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113121085A (en) * | 2019-12-31 | 2021-07-16 | 广东蓝创能源设备有限公司 | Novel sludge equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851051A (en) * | 2010-06-04 | 2010-10-06 | 苏州群瑞环保科技有限公司 | Industrial sludge treatment device |
| CN102745880A (en) * | 2012-07-18 | 2012-10-24 | 绍兴文理学院 | Sludge drying system |
| CN103011545A (en) * | 2012-12-05 | 2013-04-03 | 上海巴安水务股份有限公司 | Sludge drying and energy recovering system and energy recovering and drying process thereof |
| CN203625215U (en) * | 2013-10-08 | 2014-06-04 | 中国石油天然气集团公司 | Sludge drying system with nitrogen protecting function |
| CN104129896A (en) * | 2014-07-25 | 2014-11-05 | 华南理工大学 | Heat-pump drying device of sludge |
| CN104876416A (en) * | 2015-05-14 | 2015-09-02 | 何伟才 | Sludge drying treatment system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205653325U (en) * | 2016-04-06 | 2016-10-19 | 东莞东元环境科技有限公司 | Mud heat pump drying device is retrieved to steam |
-
2016
- 2016-04-06 CN CN201610208403.4A patent/CN105731755B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851051A (en) * | 2010-06-04 | 2010-10-06 | 苏州群瑞环保科技有限公司 | Industrial sludge treatment device |
| CN102745880A (en) * | 2012-07-18 | 2012-10-24 | 绍兴文理学院 | Sludge drying system |
| CN103011545A (en) * | 2012-12-05 | 2013-04-03 | 上海巴安水务股份有限公司 | Sludge drying and energy recovering system and energy recovering and drying process thereof |
| CN203625215U (en) * | 2013-10-08 | 2014-06-04 | 中国石油天然气集团公司 | Sludge drying system with nitrogen protecting function |
| CN104129896A (en) * | 2014-07-25 | 2014-11-05 | 华南理工大学 | Heat-pump drying device of sludge |
| CN104876416A (en) * | 2015-05-14 | 2015-09-02 | 何伟才 | Sludge drying treatment system and method |
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Address after: The 523000 Guangdong international financial city of Dongguan province IT fifth R & D center of Songshan Lake high tech Industrial Development Zone, block B Patentee after: DONGGUAN DONGYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 523000, Guangdong, Dongguan hi tech Industrial Development Zone Songshan international finance IT R & D center fifth B block, Dongguan East Environment Technology Co., Ltd. Patentee before: DONGGUAN DONGYUAN ENVIRONMENT TECHNOLOGY Co.,Ltd. |